Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Deactivation
    WARNING: Always wear safety glasses when repairing an air bag supplemental restraint system (SRS) vehicle and when handling an air bag module. This will reduce the risk of injury in the event of an accidental deployment. WARNING: Carry a live air ...

    Halfshaft Joint
    Special Tool(s) Driver 205-199 (T83T-3132-A1) Hub Bearing Cup Replacer 205-147 (T80T-4000-P) Sensing Ring Replacer 206-041 (T89P-20202-A) Disassembly 1. CAUTION: Do not disassemble the halfshaft assembly. Install a new assem ...

    Hydraulic Lash Adjusters
    Removal 1. Remove the roller followers. For additional information, refer to Roller Followers in this section. 2. Remove the 16 hydraulic lash adjusters. 3. Inspect the roller followers. For additional information, refer to Section. Installation 1. To ins ...